tim/prune/undo/UndoRearrangeWaypoints.java

   1 package tim.prune.undo;\r
   2 \r
   3 import tim.prune.I18nManager;\r
   4 import tim.prune.data.DataPoint;\r
   5 import tim.prune.data.Track;\r
   6 import tim.prune.data.TrackInfo;\r
   7 \r
   8 /**\r
   9  * Operation to undo a waypoint rearrangement\r
  10  */\r
  11 public class UndoRearrangeWaypoints implements UndoOperation\r
  12 {\r
  13         private DataPoint[] _contents = null;\r
  14 \r
  15 \r
  16         /**\r
  17          * Constructor\r
  18          * @param inTrack track contents to copy\r
  19          */\r
  20         public UndoRearrangeWaypoints(Track inTrack)\r
  21         {\r
  22                 _contents = inTrack.cloneContents();\r
  23         }\r
  24 \r
  25 \r
  26         /**\r
  27          * @return description of operation\r
  28          */\r
  29         public String getDescription()\r
  30         {\r
  31                 return I18nManager.getText("undo.rearrangewaypoints");\r
  32         }\r
  33 \r
  34 \r
  35         /**\r
  36          * Perform the undo operation on the given Track\r
  37          * @param inTrackInfo TrackInfo object on which to perform the operation\r
  38          */\r
  39         public void performUndo(TrackInfo inTrackInfo) throws UndoException\r
  40         {\r
  41                 // restore track to previous values\r
  42                 inTrackInfo.getTrack().replaceContents(_contents);\r
  43         }\r
  44 }